点到即止 diǎn dào jí zhǐ

DEFINITIONS

  1. to touch on sth and leave it there
  2. to take care not to overdo sth

CHARACTERS

点 diǎn dot, speck, spot; point, degree
到 dào go to, arrive, been to
即 jí promptly, quickly, immediately
止 zhǐ stop, halt, desist; detain