to try hard not to cry
努力不哭 (nǔlì bù kū)
"She choked back tears during her farewell speech."
"她在告别演讲时忍住眼泪。" (Tā zài gàobié yǎnjiǎng shí **rěnzhù yǎnlèi**.)
to demolish a building; to reduce someone’s confidence
to get rid of an illness
to motivate and encourage yourself to keep going
to stop buying unnecessary expensive things
to make international trade easier by removing barriers
to unite and act as one in support of a cause