to try hard not to show or express an emotion, especially sadness or tears
尽量不表现或表达情感，特别是悲伤或眼泪 (jǐnliàng bù biǎoxiàn huò biǎodá qínggǎn, tèbié shì bēishāng huò yǎnlèi)
"He choked back his tears during the farewell speech."
"他在告别演讲中choked back了眼泪。" (Tā zài gàobié yǎnjiǎng zhōng **choked back** le yǎnlèi.)
to adjust according to changing trends or environments
to crash into something or someone
to calm your body by focusing on slow breaths
to fail to keep up with lessons or work
to buy something quickly because it is cheap or available
to become more emotionally connected with someone
