For too long I avoided doing anything about issues I didn't want to deal with, but I am too old and this has gone on for too long, so I am doing something about it.

很长的一段时间里我都刻意回避去做些我不想做的事儿。但是由于年龄已大，又因时间长了而形成惯性，一时要改有些困难。

youdao

The impact on savers is always a partial offset to the benefit to borrowers of a low interest rate policy, but this combination has gone on too long.

FORBES: FOMC Communication Gets Curiouser and Curiouser

Obviously this has gone on far too long.

WHITEHOUSE: Press Briefing

The general sentiment in the business community is that the Ambani war has gone on too long and this time, gone too far.

FORBES: The Ambani brothers are at it again.