按 步 就 班 àn bù jiù bān : follow the prescribed order; keep to conventional ways

標 新 立 異 biāo xīn lì yì : start something new in order to be different; do something unconventional or unorthodox; create something new and original

常 規 cháng guī : conventional (weapons); conventional; common; routine

常 規 武 器 cháng guī wǔ qì : conventional weapon

公 約 gōng yuē : convention (i.e. international agreement)

慣 例 guàn lì : conventional