一目了然obvious at a glance
一曝十寒not persistent;sporadic effort;lack of sticking power;short attention span
易如反掌very easy;no effort at all (lit. easy as a hand’s turn)
一如既往just as in the past;as before;continuing as always
以身作則lead by example
一視同仁equal treatment;not to discriminate between people
一絲不茍not one thread loose;strictly according to the rules;meticulous;not one hair out of place
一枝獨秀to outshine others
因人而異to vary with each individual;to differ from person to person
飲水思源be grateful for all your blessings! (lit. when you drink water;think of its source)