v.使确信;查明;人寿保险;
例句:
Mr Brownson, I assure you King's an old enemy of mine.
布朗森先生,我向你保证金是我的老冤家。
You will have a bad quarter of an hour of it, I assure you.
我敢保证, 你准得受一刻钟的罪.
You'll like it; I assure you.
包你满意.