according to ⇒ 按照课本 ànzhào kèběn → according to the textbook ⇒ 方案按照大家的建议修改了。 Fāng'àn ànzhào dàjiā de jiànyì xiūgǎi le. → The plan was changed in line with everyone's recommendations.
按图索骥
be rigid in one's approach ⇒ 他做什么事情都是按图索骥，效率太低。 Tā zuò shénme shìqing dōushì àn tú suǒ jì, xiàolǜ tài dī. → He's ineffective because his approach is too rigid.
按部就班
stick to the rules ⇒ 时间不够了，不能这样按部就班。 Shíjiān bù gòu le, bùnéng zhèyàng àn bù jiù bān. → There's not enough time, so we will have to break the rules.
English translation of '按'
按
(àn)
动
(= 用手压) press
⇒ 按电钮 (àn diànniǔ) press a button
⇒ 按门铃 (àn ménlíng) push a doorbell
⇒ 按手印 (àn shǒuyìn) make a fingerprint
[人]push ... down
⇒ 他把小偷按倒在地。 (Tā bǎ xiǎotōu àndǎo zài dì.) He pushed the thief to the ground.
(= 搁下) shelve
⇒ 按下此事不说 (ànxià cǐ shì bù shuō) put the matter aside
(= 抑制) restrain
⇒ 按不住心头怒火 (àn bùzhù xīntóu nùhuǒ) be unable to restrain one's fury
介
(= 依照) according to
⇒ 按制度办事 (àn zhìdù bànshì) do things by the book
⇒ 按质定价 (àn zhì dìngjià) price on the basis of quality