chock-a-block
/ˈtʃɒkəˈblɒk/adjective
predic.
- informal crammed full of people or things〈非正式〉挤满了（人）的; 塞满了（物）的：
the manual is chock-a-block with information.
手册充满了信息。
词源
mid 19th cent. （originally in nautical use， with reference to tackle having the two blocks run close together）： from chock （in CHOCK-FULL） and BLOCK.