トムは自分の感情をぐっと抑えた。

to be rich; to become rich; to be abundant (with); to abound (with); to be rich (in)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

myself; yourself; oneself; himself; herself; I; me; you

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

emotion; feeling; feelings; sentiment

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

suddenly; at once; in one go; with a jerk; with a gulp; considerably; very much; a lot; firmly; with an effort; tightly; exerting pressure; completely (e.g. at a loss); deeply (e.g. moved)

to pin something down; to hold something down; to hold something back; to stop; to restrain; to curb; to seize; to grasp; to arrest; to gain control of something; to govern; to keep down (e.g. information); to suppress; to catch happening; to determine (important points); to find (proof); to understand