fit into刚好放入
fit in with 合适，相配，一致
fit for 合适，相配，一致
fit for 适合
focus on 集中在上
focus sth. on把集中在上
be fond of喜欢
in force有效，实施
go into force开始生效
by force靠武力，强行
force...on把强加给
in the form of以形式
be fortunate in幸运，有好运气
free of charge免费
be freed from免受，没有
in front of在前面
n the front of在前部
furnish...with 向提供
in general 通常
catch a glimpse of瞥见
ake a glance at看眼
be good for对有好处;对有作用
be good at擅长于;be good to对好
in good time 早早地
for good 永远地，长期地
take...for granted 把认为理所当然的
be grateful to sb. for sth.因感谢某人
on the ground of 由于
fall to the ground失败，落空
on ones guard 谨防，警惕
on guard站岗
guard against 警惕,防止guard...against警卫防止
guess at猜，估计
by guess靠猜