created sense approved 倒刺 · dàocì · barb
倒刺
dàocì
barb
a backward-pointing projection on an object such as a fishhook or arrow that makes it difficult to extract
这种鱼钩带有倒刺，鱼咬钩后很难挣脱。
created sense approved 倒刺 · dàocì · hangnail
倒刺
dàocì
hangnail
a small, torn piece of skin near the root of a fingernail or toenail
手指上长了倒刺，千万不要用力去撕。