to such an extent that ...
…する程度にまで
To sum up, we need to concentrate on staff training.
要するにスタッフの訓練に力を入れるべきだ
to take a trivial instance
ごくありふれた例をあげるなら
to taste
好みに応じて
to tell (you) [speak] the truth =truth to tell
((略式))実を言えば
To tell (you) the truth, ....
実を言うと…(◆独立不定詞)
to the (full) extent of one's power
精いっぱい
to the best of my belief
信じる限りでは
to the best of [within] my remembrance
記憶のかぎりでは
to the best of one's ability
力の限り