131check in — v. (D; intr.) to check in at (to check in at a hotel) * * * [ tʃek ɪn] (D; intr.) to check in at (to check in at a hotel) …
Combinatory dictionary
132check up — v. (D; intr.) to check up on (to check up on smb. s story) * * * [ tʃek ʌp] (D; intr.) to check up on (to check up on smb. s story) …
Combinatory dictionary