1. prior to 在……之前
Thailand is the last leg of his Asian tour, prior to which he visited Pakistan, India and Malaysia.
泰国是唐家璇此次亚洲之行的最后一站，此前他还访问了巴基斯坦、印度和马来西亚ZuX79rtM,2uiH。

2. to begin with 本来
And he had not had sufficient strength in him to begin with.
而且，而且他的气力本来就不充沛Xem3683EWbiKe!q7!~。

3. but for all that 即便如此
There may be mistakes occasionally, but for all that, it is the best book on the subject.
该书可能偶尔有错误，但尽管如此，这书仍是论述该课题的最好的书j[ZjMv[_k!%N。

4. immerse oneself in 沉醉在……中
Day and night, Shu Qin immersed himself in his books, studying hard, but unfortunately was unable to stop himself dozing off.
苏秦日夜埋首读书，可是每到深夜，就不由自主地瞌睡起来EGPL0q*LQLdw%uff。