隐约yǐn yuē
vague, faint, indistinct隐蔽yǐn bì
to conceal, to hide, covert随即suí jí
immediately, presently, following which随意suí yì
as one wishes, according to one's wishes随手suí shǒu
conveniently, without extra trouble随身suí shēn
to (carry) on one's person隔离gé lí
to separate, to isolate障碍zhàng ài
barrier, obstruction, hindrance