Refuse to work and Sit-down

Sit-down and refuse to work are semantically related. In some cases you can replace phrase "Sit-down" with "Refuse to work", this phrases are similar.

Sit-down noun - A strike in which workers refuse to leave the workplace until a settlement is reached.

Refuse to work and sit-down are semantically related. Sometimes you can use "Refuse to work" instead a verb phrase "Sit-down".