重点讲解：
1. as far as I know
（用于表示不太确信）据我所知；
eg. So far as I know, she has a faculty of housekeeping.
就我所知，她很善于理家。
eg. As far as I know, he has no brothers.
就我所知，他根本没有兄弟。
2. end up (in) sth./doing sth.
最终；结果；到头来；
eg. When the uncertainties become greater than the certainties, we end up in a game of bluff.
情况愈发难以确定，我们最终陷入一个唬人的把戏中。
eg. Be nice to nerds. Chances are you'll end up working for one.
善待乏味的人。有可能到头来你在工作中也会变成一个乏味的人。
3. for sure
无疑；肯定；
eg. You'll have it for sure by the end of the week.
这个周末你一定能收到它的。
eg. But actually we're under great pressure for sure.
但实际上，我们也面临着很大的压力。
4. fall over
摔倒；跌倒；倒下；
eg. If he drinks more than two glasses of wine he falls over.
如果他喝酒超过两杯，就会醉倒。
eg. Mrs Jenkins missed her footing and fell over.
詹金斯太太一脚踩空，跌倒在地。
5. best bet
最好的办法，最佳措施；
eg. Wool is still the best bet in winter clothing.
冬令服装仍以毛料最为理想。
eg. Your best bet is to sell them now.
你现在最好的办法就是把它们卖掉。
