time for doing something / period of time / season

optimal, most appropriate, best suited

the best, the optimum

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

travel, a trip, a journey, a voyage, a tour

to travel, to journey, to go on a trip, to go for a voyage, to tour

whatchamacallit, X

What? What did you say?

what number, how many (used with a counter) / (used with も) many (used with a counter)

nothing