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,穩妥
Let's take more money than we think we'll need, just to be on the safe side.
為穩妥起見,咱們帶的錢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.
雖然有太陽,但我仍帶了傘以防萬一 。
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;毫無價值
It's not worth a hill of beans , ie It is worth very little.
這一錢不值 。
Jack wasn't a hill of beans to her.
杰克并非對她一文不值 。