Bekhorot 33: words to know

הָנֵי מִילֵּי (hanei milei): these words apply; this matters only. Used to limit the scope of a verse or rule to unblemished offerings.
אִיכָּא לְמִיפְרַךְ (ika lemifrach): there is a refutation; one can refute. Introduces a refutation against Beit Hillel's a fortiori inference.
פְּסוּלֵי הַמּוּקְדָּשִׁין (pesulei hamukdashin): disqualified consecrated animals. Discussed regarding whether skinning from the feet is permitted after redemption.
בְּיָדַיִם (beyadayim): by direct action; with one's hands. Contrasts a directly inflicted blemish with one brought about indirectly.
גְּרָמָא (gerama): indirect causation. Used to distinguish indirect exposure to impurity from direct damage.