I've had a better time than they had.
我比他們有好時光。
This had a better effect.
這一罵倒有了好效果。
It would be better if we had a better knowledge of the machine.
要是我們對這臺機器了解多一點的話，那就更好了。
Patients with smaller value of PI had a better prognosis.
預后指數值小的患者預后好。
But now I had a better idea.
現在我有個更好的主意。