Simplify the following text for a Grade 9 native English-speaking person.
Original: The fleet arrived at Tayoan on April 2 , and , after passing through a shallow waterway unknown to the Dutch , landed at Luermen ( Traditional Chinese : é è é -- ) in the bay .
Simplified: The fleet arrived at Tayoan on April 2 , and , after passing through a shallow waterway unknown to the Dutch , landed at Luermen .