to start crying suddenly
突然开始哭泣 (túrán kāishǐ kūqì)
"He broke into tears when he saw his old friend after many years."
"他泪如雨下，当他在许多年后见到他的老朋友时。" (Tā lèi rú yǔ xià, dāng tā zài xǔduō nián hòu jiàn dào tā de lǎo péngyǒu shí.)
to feel great excitement or pleasure from something
to continue with courage despite emotional hardship
to stop negative or anxious thoughts abruptly
to manage stress or pain by breathing calmly
to become emotionally tougher after hardship
to remain calm in a stressful situation
