甘于

tān duō bù dé hǎo gān yú xiàn zhuàng wéi miào

贪多不得好，甘于现状为妙。

You may go farther and fare worse.

tā gān yú mò mò wú wén de shēng huó

他甘于默默无闻的生活。

He was content to live in the shadow.