1、aim一般有目标;对准;枪法等意思。aim的用法:aim在指“旨在”时,后常接at和动名词(英国),或接不定式(美国)。he aims at mastering english.(英国) he aims to master english.(美国); 2、在使用aiming时,英国人常接不定式,不过要尽量避免...ing at ...ing的格式; take aim(瞄准)和take good aim里不加冠词an或a; 3、和aim搭配的介词不可以随意互换。her aim in visiting the school was to see the library.句中的in不可换成of。she visited the school with the aim of seeing the library.句中的with不可换成for。