确保;设法保证;查明,核实,弄清(某事属实或已做)
牛津电影里 80%
确保;设法保证
to do sth in order to be certain that sth else happens
牛津电影里 20%
查明,核实,弄清(某事属实或已做)
to check that sth is true or has been done
释义来自《牛津高阶英汉双解词典》第 9 版