Yuka is my best friend.

Please try asking the employee responsible.

I couldn't get in touch with her for a week.

This subimago is at a stage before becoming a fully mature adult.

I found an insect in the park.

Don't forget to bring insect repellent before going camping.

He solved a large number of problems.

Understanding numbers is important for solving math problems.

He was bedridden with illness for several days.

I can't solve this problem because there are too many numbers.