協力: to cooperate

money paid in return for cooperation with a request; compensation in response to a government request

(idiomatic) to keep a secret when asked about it, but let it slip inadvertently when chatting on another occasion

海水浴場: swimming beach, bathing resort, seaside resort

hit / (for lottery) win / be correct, be exactly right / be shone on by the sun, be warmed by heat, or blown on by wind / include or need (in the construction verb + ～には当たらない)

attaché (diplomatic officer)

take a chance, give it a shot

(music) attack

to attempt to climb / to profess of one's love

The hiragana syllable ぎ (gi). Its equivalent in katakana is ギ (gi).