to completely remove unwanted things from a place
場所から不要な物を完全に取り除くこと (basho kara fuyou na mono o kanzen ni torinozoku koto)
"Volunteers worked to clean out the polluted river."
"ボランティアたちは汚染された川を清掃するために働きました。" (borantia-tachi wa osen sareta kawa o seisou suru tame ni hatarakimashita)
to keep an optimistic attitude
to develop a stronger emotional bond or friendship with some...
to increase the level of effort or activity
to connect or join with another group or organization
to create a detailed outline for something new
to avoid saying negative things unnecessarily