BT Šab 129a(52) :בדיק והוה חסיר ארחא‏ : he checked (and it turned out that the wall) was deficient by a half brick (width)
See the entire entry for ḥassīr adj. lacking, deficient

BT Šab 129a(52) :יומא חד ארגיש בנפשיה בדיק והוה חסיר ארחא‏ : one day he felt bad and looked and there was a brick missing
See the entire entry for rgš vb. to rage; sense