a local and habitual twitching especially in the face
a metallic tapping sound
make a sound like a clock or a timer
sew
make a clicking or ticking sound
a mark indicating that something has been noted or completed etc.
put a check mark on or near or next to
a light mattress
any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
