complacency

The company became complacent due to its past successes and failed to actively pursue innovation.

公司由於過去的成功而變得自滿，未能積極追求創新。

After making some progress in his studies, he became somewhat complacent, and his motivation to learn decreased.

在學習上取得一些進步後，他變得有些自滿，學習動力也減少了。

This complacency could lead to missed opportunities; we must not let our guard down.

這種自滿可能會導致錯失良機；我們絕不能鬆懈。