适当的，合适的(suitable for a particular person，condition，occasion or place)[A(to/for)]：at the～time 在适当的时候;complain to the～authority 向有关当局申诉;～clothes 得体的衣服;music～to the occasion适合这种场合的音乐;speech～to the situation适合这种情境的讲话;style～to the subject适合这种题目的措辞;～clothes for the weather/the journey 适合于这天气/这次旅行的衣服;(clothes) be～for a funeral/a formal wedding/school wear(衣服)适合于葬礼/正式的婚礼/在学校穿;be～on such an occasion/in the present circumstances 适合于这种场合/目前情况;It seemed～to keep silent.看来缄口不语是合适的。〖同〗suitable，proper，fitting;〖反〗inappropriate，unsuitable，improper，unfitting;

→ap′propriately adv 适当(合)地;ap-′propriateness n 适当，合适;

【用法】appropriate后接固定搭配的介词to(读时appropriate前有一自然停顿);其后也可接用作状语的其他介词短语，如：for，in，on(此时appropriate与这些介词短语之间有一自然停顿)。