in‧di‧ca‧tion S3 W3 AC / ɪndəkeɪʃ ə n, ɪndɪkeɪʃ ə n / 名词 [可数和不可数名词]

a sign, remark, event etc that shows what is happening, what someone is thinking or feeling, or what is true

indication of

Dark green leaves are a good indication of healthy roots.

He gave no indication at all of his own feelings.

Could you give me some indication as to when I am likely to receive a reply?

indication (that)

Taking a career history along with you will be a clear indication that you are well organized.

Indications are that the situation hasn’t improved much.

There is every indication (= there are very clear signs ) that it is true.

THESAURUS

sign [可数名词] an event, fact etc that shows that something is happening or that something is true or exists : The curtains were still drawn and there was no sign of activity. | A score of 80 or more is a sign that you are doing very well.

indication [可数名词] a sign. Indication is more formal than sign : Recently there have been several indications of improving relations. | There was no indication the killings were related to the drug trade.

evidence [不可数名词] facts or signs that show clearly that something exists or is true, especially something that you are trying to prove : Scientists are hoping to find evidence that there was once life on Mars. | There was not enough evidence to convict him of the murder.

symptom [可数名词] a sign that someone has an illness or that a serious problem exists : The first symptoms are tiredness and loss of weight. | Is this a symptom of the decay of Western civilization?

indicator [可数名词] a sign that shows you what is happening or what is true – used about a process, or about the state or level of something : There are a number of indicators of economic slowdown. | The tests are considered a good indicator of intelligence.

signal [可数名词] a sign that shows that you should do something, or that you have a particular attitude : Severe chest pain is a warning signal that cannot be ignored. | Legalizing drugs could send the wrong signal to young people.

mark [可数名词] a sign, especially that you respect or honour someone : People stood in silence as a mark of respect. | It was a mark of her popularity that so many colleagues and friends attended the presentation.