| 上 | shàng | on top; upon; above; upper; previous; first (of multiple parts); to climb; to get onto; to go up; to attend (class or university) |
| 上 | shǎng | see 上声 |
| 一 | yī | one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1) |
| 次 | cì | next in sequence; second; the second (day, time etc); secondary; vice-; sub-; infra-; inferior quality; substandard; order; sequence; hypo- (chemistry); classifier for enumerated events: time |
| 当 | dāng | to be; to act as; manage; withstand; when; during; ought; should; match equally; equal; same; obstruct; just at (a time or place); on the spot; right; just at |
| 当 | dàng | at or in the very same...; suitable; adequate; fitting; proper; to replace; to regard as; to think; to pawn |
| 学 | xué | learn; study; science; -ology |
| 乖 | guāi | (of a child) obedient, well-behaved; clever; shrewd; alert; perverse; contrary to reason; irregular; abnormal |
| 一次 | yī cì | first; first time; once; (math.) linear (of degree one) |
| 一次 | yī cì | first; first time; once; (math.) linear (of degree one) |
