Definition
An expression used to advise someone to proceed slowly and carefully.
小心為上！
When moving these glasses, be careful! Gently does it!
移動這些玻璃杯時要小心！慢慢來！
I'm not familiar with that machine, so gently does it, and operate it with care.
我不熟悉那台機器，所以要慢慢來，小心操作。
This old hard drive is fragile, so gently does it when trying to open it!
這個舊硬碟很脆弱，所以打開時要慢慢來！