Overnight= (1) lasting or operating through the whole night: ‘An overnight journey’ Overnight is used as an adverb...繼續閱讀

Owing to is a preposition (NOT a conjunction). Owing to = (1) for the reason that; as a result of; due to; on acco...繼續閱讀

Overdue= (1) (of payment) past due; being unpaid by the assigned date or at the scheduled time: ‘The electric bill wa...繼續閱讀

Oppose = be against; express opposition to or resist strongly: ‘Most people oppose capital punishment.’ ‘The board op...繼續閱讀

Opportunity= (1) a possibility due to a favorable combination of circumstances: ‘Travelling to different places gave ...繼續閱讀

Use opposite and the opposite of only when you mean that two things are altogether different in nature, quality, or s...繼續閱讀

Opinion = (1) a personal belief or judgment about something or somebody: ‘He asked my opinion about the new project.’...繼續閱讀

Open = (1) not shut or closed: ‘She left the door open.’ (2) giving free passage or access: ‘The road is open to traf...繼續閱讀

Operate = (1) direct or control something: ‘Do you know how to operate this machinery?’ (2) perform surgery on (medic...繼續閱讀

Only = (1) being the only one; single: ‘She is the only child of her parents.’ (2) without any others being included ...繼續閱讀

One = (1) the number 1: ‘They had lunch at one.’ (= one o’ clock) (2) used for emphasis to mean ‘a single person or t...繼續閱讀

Once = (1) one time only: ‘You have to take this medicine once a day.’ (2) whenever; as soon as: ‘Once it stops raini...繼續閱讀

On is used to indicate or show (1) the position in contact with and supported by the top surface of: ‘The book is lyi...繼續閱讀

Old= (1) (used especially of persons) having lived for a relatively long time or advanced in years or age: ‘How old a...繼續閱讀

Often = (1) many times; frequently or in great quantities: ‘The trains are often late.’ ‘They often go out to dinner...繼續閱讀

Narrow = (1) not wide (of roads, rivers etc.) = become less wide: ‘Just beyond the bend, the river begins to narrow.’...繼續閱讀

Name = (1) a word or a combination of words by which someone or something is designated, called, or known: ‘I refused...繼續閱讀

When you are talking about someone’s height, weight, etc., use medium (NOT middle): ‘The man that police wish to ques...繼續閱讀

Mention= (1) make reference to: ‘His name was mentioned in connection with the project.’ (2) speak of something sth (...繼續閱讀

Mental = (1) of or relating to the mind: ‘Mental development’ (2) affected by a disorder of the mind: ‘He is a mental...繼續閱讀

Menace is usually used as both noun and adjective. Menace (as noun) = (1) something that is a source of danger: ‘Thes...繼續閱讀

Mend (or repair) a roof, fence, watch, mobile, camera etc.: ‘Once you’ve mended the kettle, we can have a cup of tea....繼續閱讀

Large= (1) above average in size, number, quantity, magnitude, or extent: ‘This law is supported by a large part of t...繼續閱讀

Language= (1) a systematic means of communicating ideas or feelings by the use of sounds, words, gestures, or convent...繼續閱讀

Last = coming after all others in time, space, degree, or being the only one remaining; (the one) at the end of a list, sequence, or series: ‘Our last meeting was in Rome.’ ‘I answered all the questions except the last one.’ Latest = designed/produced/published etc. more recently than any other: ‘Have you seen Toyota’s latest model?’ ‘The BBC World Service always has the latest news.’ Last but not least (Without at): ‘Last but not least, I’d like to thank our sponsors for making this evening possible.’繼續閱讀