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。