a period of difficulty or trouble
困難や問題の時期 (konnan ya mondai no jiki)
"Their marriage went through a rough patch last year."
"彼らの結婚は昨年困難な時期を経験した。" (karera no kekkon wa sakunen konnan na jiki o keiken shita)
a case that is easily decided or obvious
to say something positive and hope it continues to be good
to hear news or rumors indirectly
an older person who uses the internet regularly
To build a company using only personal finances.
to accept or take responsibility for something