1.Abandon oneself to sth. 完全屈從于（某種感情或沖動）
2. be about to do when… 正準(zhǔn)備做某事突然。。。
3.in sb.'s absence 不在時 in the absence of （人）不在時 be absent from 缺席
4.collect accounts收賬； open an account 開賬戶； keep accounts 記賬 ; account for說明;
give a full account of 做一個完整的說明; on account of=because of 因為
5.come (run) across （偶然）碰到 ; get sth. across 使人理解；領(lǐng)會