sth.be lent to

sth.be lent to be sth to sb to be based sth attempt to be sth 还是 attempt sth lent to什么意思? be sure to do sth. be pleased to do sth be able to do sth be going to do sth to be sick of sth. be let to do sth? to be considerate of sth be sad to do sth. be made to do sth be obliged to do sth. be used to do sth. be used to do sth,be use to doing sth,be use to sth,be use for sth区别 be worth to do sth 还是be worth doing sth