to keep your emotions hidden inside instead of expressing them
把情感隐藏在心里，而不是表达出来 (bǎ qínggǎn yǐncáng zài xīnlǐ, ér bùshì biǎodá chūlái)
"He tends to bottle his emotions up instead of talking about them."
"他倾向于隐藏他的情感，而不是谈论它们" (tā qīngxiàng yú **yǐncáng tā de qínggǎn** ér bùshì tánlùn tāmen)
to claim or pretend something about someone or something
to progress in life without fear or doubt
to criticize someone or something harshly
to control strong emotions before reacting
to introduce environmentally friendly technology gradually
to speak angrily and quickly to someone
