on the safe side
US /ɑn ðə seɪf saɪd/
UK /ɑn ðə seɪf saɪd/
1.
以防萬一, 為了安全起見
to take precautions to avoid risk or danger
:
•
I'll bring an umbrella, just on the safe side, even though it's sunny.
我會帶把傘，只是以防萬一，即使現在是晴天。
•
It's better to arrive early, just on the safe side, to avoid traffic.
最好早點到，只是為了安全起見，以避免交通堵塞。