At first I thought he was shy, but then I discovered he was just not interested in other people.起先我以为他腼腆,后来才发现他就是对别人没兴趣。
(saying)If at first you don't succeed, try, try again.一次不成功就反复尝试。
Which Word? firstly / first of all / at firstfirstly / first of all / at first
Firstly and first (of all) are used to introduce a series of facts, reasons, opinions, etc:firstly 和 first (of all) 均用以引出一系列事实、理由、意见等:
The brochure is divided into two sections, dealing firstly with basic courses and secondly with advanced ones.小册子分为两部分:第一部分涉及基础课程,第二部分涉及高级课程。
Firstly is more common in British English than in North American English.
At first is used to talk about the situation at the beginning of a period of time, especially when you are comparing it with a different situation at a later period:
Maggie had seen him nearly every day at first. Now she saw him much less.起初玛吉几乎每天都见到他,现在见到他的次数少得多了。