Definition
This phrase is used to advise someone to proceed with caution and not to rush.
小心行事！
Be careful with these glasses, gently does it!
小心這些玻璃杯，慢慢來！
I know you're excited, but gently does it, we have plenty of time.
我知道你很興奮，但慢慢來，我們有很多時間。
This computer system is fragile, gently does it, don't break it.
這個電腦系統很脆弱，慢慢來，別弄壞了。