someone who is strong and not easily upset
一个强大的人，不容易被打扰 (yī gè qiáng dà de rén, bù róng yì bèi dǎ rǎo)
"She’s a tough cookie; nothing can discourage her."
"她是a tough cookie; 没有什么可以让她灰心。" (Tā shì **a tough cookie**; méiyǒu shénme kěyǐ ràng tā huīxīn.)
a parent who is overly involved in their child’s life
a sudden and unexpected event or news
a sudden opportunity or good fortune
to improve your performance or effort
a state of political hostility without open warfare
to learn and grow from failure
