| 再 | zài dú | to read again / to review (a lesson etc) | 
| 再 | zài | again; once more; re- / further; beyond this point of time / (before an adjective) more / then (after sth, and not until then) / no matter how ... (followed by an adjective or verb, and then (usually) 也 or 都 for emphasis) / (used to introduce additional information, as in 再则, 再就是 etc) / (literary) to reappear; to reoccur | 
| 读 | dòu | comma / phrase marked by pause | 
| 读 | dú | to read out; to read aloud / to read / to attend (school); to study (a subject in school) / to pronounce |