signs of problems or weaknesses in a system or relationship
系统或关系中的问题或弱点迹象 (xitong huo guanxi zhong de wenti huo ruodian jixiang)
"There are cracks in the wall of their friendship lately."
"最近他们的友谊出现了裂痕。" (Zui jin tamen de youyi chuxian le liehen.)
to suddenly become very nervous or afraid
to survive, one must adjust to the new conditions
to feel nervous or hesitant about something
to be very familiar with something; to have a thorough under...
to practice and improve one’s cognitive abilities
to make a stressful situation easier
