打擦边球

(table tennis) edge ball; (fig.) actions that are technically legal but perhaps not respectable

to make light contact with the edge of sth; (fig.) to be nearly (a certain age); to be close to (danger)

game-fixing; to fix games

to practice tai chi; (fig.) to avoid responsibility

to write with the tip of the brush tilted; (fig.) to resort to devious means

to keep to the edge (of path, river etc); (fig.) to keep out of trouble; to avoid getting involved