quite a while相當一段時間
eg You've been away quite a while.
你已經離開很長時間了。

soul searching 靈魂搜索，這里可理解為“反思，深思熟慮”
eg College is no longer a romantic place where you do some soul searching.
大學不再是一個浪漫的地方去讓你反省靈魂。

it would better最好…
eg I think that will be too much for two persons. It would better to reduce the number by two dishes.
我認為那對兩個來說太多了，減少兩道菜比較好。

go ahead說吧，開始吧，開始做（某事）
eg But insiders still reckon the two mega-mergers will go ahead.
但是內部人士仍然相信這兩起并購案會繼續下去。

as long as只要
eg Music has been with us as long as we can collectively remember.
只要音樂與我們同在，我們就會有共同的記憶。