| 鱼沉雁杳 | 
yú chén yàn yǎo | 
lit. the fish swam away into the depths, the goose vanished in the distance (idiom) / fig. to have had no news (of sb who went away); to have lost contact | 
| 鱼 | 
Yú | 
surname Yu | 
| 鱼 | 
yú | 
fish (CL:条,尾) / used in the names of various aquatic animals that are not fish (including abalone 鲍鱼, alligators and crocodiles 鳄鱼 and octopi 章鱼) | 
|  沉 | 
chén | 
variant of 沉 | 
|  沉 | 
chén | 
to submerge / to immerse / to sink / to keep down / to lower / to drop / deep / profound / heavy | 
|   雁 | 
yàn | 
wild goose | 
|   雁 | 
yàn | 
variant of 雁 | 
|    杳 | 
yǎo | 
dark and quiet / disappear |