1、head off

攔截;攔住

He changed direction swiftly, turned into the hallway and headed her off.

他迅速改變方向，拐進走廊截住了她。

阻止，防止（尤指不愉快的事）發(fā)生

He would ask Congress to intervene and head off a strike.

他將要求國會進行干預，防止發(fā)生罷工。

You have to be good at spotting trouble on the way and heading it off.

你必須善于發(fā)現潛在的麻煩并加以化解。

2、decide

決定，拿定主意（做）

She decided to do a secretarial course.

她決定修一門文秘課程。

He has decided that he doesn't want to embarrass the movement and will therefore step down.

他已拿定主意：他不想令運動陷入困窘的境地，因此決心辭職。

解決;判決;裁決

She was still young, he said, and that would be taken into account when deciding her sentence.

他說，她還年輕，而這一點在對她量刑時將會予以考慮。

This is an issue that should be decided by local and metropolitan government.

這個問題應該由當地及大都市政府共同解決。

（事件或事實）決定，確定（某一選擇或結果)

The goal that decided the match came just before the interval.

決定本場比賽結果的進球是在中場休息前一刻打入的。

The results will decide if he will win a place at a good university.

這些成績將決定他能否上一所好大學。