He's the best teacher, even though he has the least experience.
他雖然經驗最少，卻是最出色的老師。
We made the journey by land, though flying would have been cheaper.
雖然乘飛機會便宜些，我們還是走了陸路。
One major problem did present itself, though.
不過，確實出現了一個重大問題。
We got there early but Mike had already left.
我們及早到了那里，但是邁克已經離開了。
I know you don't like her but try not to make it so obvious.
我明白你不喜歡她，但是盡量別表露得那么明顯。
There have been some problems but basically it's a good system.
雖然出現過一些問題，但這基本上仍不失為一個好系統。