If you're right handed, doing tasks like brushing your teeth with your left hand will stimulate your brain - or getting dressed in the dark with your eyes shut.

如果你是右撇子，就试着用左手做事，例如用左手刷牙，这样也会刺激大脑，还可以试着闭着眼睛穿衣服。

youdao

Then the doctor had to use force. He grasped the childs head with his left hand and tired to get the wooden tongue depressor between her teeth.

于是医生采用强制，他用自己的左手抓住女孩的头，然后试图把冰冷的压舌器放到她的牙齿中间。

youdao

Anytime I feel sorry for myself, for some petty grievance or another, I take my self into the bath room and try once again to brush my teeth with my left hand.

每当我顾影自怜，或是为一些小委屈以及其他什么事情感到伤心的时候，我就会走进洗手间，再一次去体会用左手刷牙的滋味。

youdao

But he cut his political teeth in the PRI, which he left reluctantly in 1988 when free-market technocrats gained the upper hand in the party which ruled Mexico for seven decades until Vicente Fox's election victory of 2000.

ECONOMIST: A restoration of the old order in Mexico?