I've put an X next to the place where you should sign.
我已在你该签名的地方后面标示了X。
The proof of the pudding is in the eating.
空谈不如实验。(实践出真知)
Young men who have reason to fear that they will be killed in battle may justifiably feel bitter in the thought that they have cheated of the best things that life has to offer.