count the chickens before they are hatched
... 不费吹灰之力 easy as pie 盲目乐观 count the chickens before they are hatched. 刚出狼窝又入虎穴 from the frying pan into the fire. ...
blind optimism
盲目乐观
Pollyanna
be unrealistically optimistic
But Not Blindly Optimistic
盲目乐观,汉语成语,拼音是máng mù lè guān,意思是指不根据实际情况高兴得太早。