Many reed warblers inhabit this lake.

The acrocephalid warbler is a bird often seen in wetlands.

He needed my assistance to make the project successful.

He is responsible for assisting the new students.

I learned how to calculate the hacoversine in trigonometry.

His actions exceeded my expectations.

We are planning to go to a health resort for summer vacation.

He has a strong desire for material wealth and is always seeking something new.

He was working late at night.

I was born and raised in Kurayoshi city.