胸无大志: with no ambition at all; one with only moderate aspirations; one without much of a ambition or any ambition of note; want of lofty aspirations
胸无大志的人容易被胜利冲昏头脑: a short-sighted man would have an exaggerated opinion of his abilities after being praised a littlean unambitious man is easily carried away by victory
称心: find sth. satisfactory; be gratified 短语和例子那位老人晚年过得很称心。 the old man spent his old age in contentment. 这辆自行车买得很称心。 this bicycle is quite satisfactory -- just the thing i want