Toughens
v. （使某物[人]）坚韧, 坚强, 强硬( toughen的第三人称单数 )
🗣️ 情景例句
Our boss expects us to eat, drink and sleep our job.
我们老板恨不得我们把工作当饭吃，当水喝，当觉睡。
None so deaf as those that won't hear.
置若罔闻。
Three factors have caused these fish to grow so large:
这些因素促使这些鱼可以长得如此巨大：