つと努tsutoめてmete
1.
In a manner that emphasizes putting forth maximum effort and trying hard to accomplish a task, regardless of the difficulties involved.
2.
Referring to the act of making a deliberate effort to engage in a behavior or activity, often pushing oneself to maintain composure or to avoid certain situations.
Example:
水面から飛び立つ鳥は努めてあとを濁さぬようにする。