76、to begin with 首先;第一
例句：To begin with, let's discuss the main points of the project.
首先，让我们讨论项目的主要点。
77、at / in / from the beginning 在开始的时候
例句：I was there at the beginning of the project and saw it grow from scratch.
我从项目一开始就在那里，见证了它从无到有的过程。
78、at the beginning of 在……开始
例句：At the beginning of the year, she set herself some goals to achieve.
年初，她为自己设定了一些要达成的目标。
79、believe in sb / sth 信任某人 / 相信某事物的存在
例句：I believe in her abilities and know she can achieve anything she sets her mind to.
我相信她的能力，知道只要她下定决心，就能实现任何事情。
80、believe it or not 信不信由你
例句：Believe it or not, I met my childhood hero last week.
信不信由你，但我上周遇到了我小时候的偶像。
81、at best 顶多;充其量
例句：At best, we can finish the project by the end of the month.
充其量，我们能在月底前完成这个项目。
82、do / try one's best 尽力而为
例句：She always does her best to help those who are in need.
她总是尽力帮助那些需要帮助的人。
83、it is / would be better to do sth 做某事是更好的
例句：It would be better to plan your time effectively to avoid last-minute rushes.
有效地规划你的时间以避免最后一刻的匆忙会更好。
84、had better (not) 最好(不要)
例句：You had better not leave the window open at night. It's cold outside.
你最好不要晚上开着窗户，外面很冷。
85、between ... and ... 在……和……之间
例句：The meeting will be held between 9 and 11 am.
会议将在上午9点到11点之间举行。
86、between you and me [口语]你我私下说说
例句：Between you and me, I don't think the boss likes the new idea.
私下说，我觉得老板不喜欢这个新想法。
87、in between 在中间
例句：There's a small park in between the two buildings.
这两栋大楼之间有一个小公园。
88、ride a bike / by bike 骑自行车
例句：I prefer to ride a bike to work instead of taking the bus.
我宁愿骑自行车上班，而不是乘公交车。
89、give birth to 生 (孩子);产 (仔)
例句：She gave birth to a healthy baby boy last week.
她上周生了一个健康的男婴。
90、a bit of 一点儿;稍微
例句：I had a bit of a headache, but it's gone now.
我有点头痛，但现在好了。
