mystery to (one) 成语
set (one) back
cost How much did your new suit set you back?
give (one) up for|give|give one up for|give up|giv
v. phr. To abandon hope for someone or something.
After Larry had not returned to base camp for three nights, his fellow mountain climbers gave him up for dead.
keep (one) posted|keep one posted|keep posted
v. phr. To receive current information; inform oneself.
My associates phoned me every day and kept me posted on new developments in our business.a abstruseness to (one)
Something that is difficult to understand. Why she absolved out in such a anger this morning is a abstruseness to me! She was acting commonly afore that. It was a abstruseness to scientists area the birds migrated to until they affiliated some of them and tracked their movement.Learn more: mystery