something unfamiliar or strange
一些陌生或奇怪的东西 (yīxiē mòshēng huò qíguài de dōngxī)
"Honesty seems like an alien concept to him."
"诚实对他来说就像一个外星概念。" (Chéngshí duì tā lái shuō jiù xiàng yīgè **wàixīng gàiniàn**.)
in a difficult situation where any choice you make will have...
to deal with a problem only when it arises
to do what you promise to do
to recover from a failure or setback
to experience a sudden failure or breakdown
to suddenly become afraid to do something