YOU SAID:

my socks smell very bad they need to be washed

INTO JAPANESE

私の靴下は非常に悪いので、洗濯が必要です

BACK INTO ENGLISH

My socks are very bad, so we need washing

INTO JAPANESE

私の靴下はとても悪いので、洗濯が必要です

BACK INTO ENGLISH

My socks are so bad that we need washing

INTO JAPANESE

私の靴下はとても悪くて洗濯が必要です

BACK INTO ENGLISH

My socks are very bad and need washing

INTO JAPANESE

私の靴下は非常に悪く、洗濯が必要です

BACK INTO ENGLISH

My socks are very bad and need washing