to not feel confident or certain about something
对某事感到不确定或不自信 (dui mou shi gan dao bu que ding huo bu zi xin)
"I’m unsure of what to say in that situation."
"我不确定在这种情况下该说什么。" (wo bu que ding zai zhe zhong qing kuang xia gai shuo shen me)
to build strong working relationships with others
to suddenly start laughing loudly
to get yourself mentally ready and enthusiastic
to make progress; to go forward
to increase or enhance something such as production or growt...
to express opinions promoting global harmony and understandi...