驾轻就熟

Explanation: Riding light rail vehicles, take beaten track. Metaphor of something experienced, very familiar, easy to do. 　　Usage: -Linked; as predicate, object, attribute, adverbial; metaphor for something very familiar 　　Source: Han Yu Tang "scholars in order to send stone": "If Sima riding light rail vehicles on the beaten track, and Wang Liang, Cepheid whom have also." 　　Examples: Maturity to the field force, only a little to take care of all the conditions to Gongling in order to wind canopies inch sundial, a ~ the music. ("Qiludeng" the first two back to 0) Thesaurus:  Defect Teeth, Merely mediocre, so much for, butter one's bread on both sides (=have one's bread buttered on both sides), get one's wish, stem the flood, know sth.thoroughly by heart as one who can recite a passage backward fluently, Practice makes perfect, turn heaven and earth, Heaven carries out the desires of man, like melting snow with hot water— easily done, direct with ease, conveyance of double meaning, Cook Liberation, fully satisfied or contented, proficiency get the feel of sth. Antonym Group:  cannot help, lose self-control, By Tom defervescence, By Tom Waugh boiling, To fire fight a fire, To fire defervescence, rawness, Half semi, adopt a profession (trade) rather late in one's life; become a monk or nun late in life, Half Road monasticism, Chachinantao, Be unable to escape even if given wings, be on its last legs, Pour oil fight a fire, carry firewood to put out a fire, bring to a dead end, Donkey of Guizhou account, Wits and technology to make, a person who has exposed his limited ability