1 simple

2 not complicated

1 simply

2 at all

3 practically

1 (of Taoists) to practice austerities

2 to practice asceticism

1 steelmaking

1 see also: 磨练 mó liàn

1 crude but simple methods (idiom); use whatever methods you can

2 to do things simply and thriftily

3 It's not pretty but it works.

1 True gold fears no fire. (idiom)

1 brief and to the point (idiom)

2 succinct

1 concise and comprehensive (idiom)