几帳面だ
My sister is meticulous.
姉は几帳面です
My sister is meticulous when she prepares for a trip abroad.
姉は海外旅行を準備するとき、几帳面です
My sister is meticulous about what she needs when she prepares for a trip abroad.
姉は海外旅行を準備するとき、必要な物を几帳面です
My sister is meticulous about what she needs, using a small notebook, when she prepares for a trip abroad.
姉は海外旅行を準備するとき、必要な物を小さな手帳に几帳面です
My sister is meticulous about what she needs, listing it in a small notebook one item at a time, when she prepares for a trip abroad.
姉は海外旅行を準備するとき、必要な物を小さな手帳に一つずつ几帳面です