If you're right handed, doing tasks like brushing your teeth with your lefthand 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。
2
Then the doctor had to use force. He grasped the childs head with his lefthand 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。
3
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 lefthand.