1.But, to be on the safe side, he also places a smaller bet on the other team, to reduce a possible loss.
on the safe side 安全可靠,稳妥
Let's take more money than we think we'll need, just to be on the safe side.
为稳妥起见,咱们带的钱要比想象中所需要的多一些 。
Although the sun was shining,I took an umbrella to be on the safe side.
虽然有太阳,但我仍带了伞以防万一 。
2.You could say, for example, that a bad idea is not worth a hill of beans.
a hill of beans 少量;小事;毫无价值
It's not worth a hill of beans , ie It is worth very little.
这一钱不值 。
Jack wasn't a hill of beans to her.
杰克并非对她一文不值 。