turn turtle

v.

倾覆，变得无能为力，畏缩；

Reptile relationships turn turtleṫ
Signal transduction: Inositol lipid pathways turn turtle
Inositol lipid pathways turn turtle.
Reptile relationships turn turtle
Lee, M. Reptile relationships turn turtle. Nature 389, 245-246
Reptile relationships turn turtle... and turn back again
Another turn for the Turtle - Shakespeare's intercession for 'Love's Martyr'
Turtle's Turn - A Story of Discovery, Hope, and Social Responsibility Gleaned Upon Studying Creation's Wonders
A Turtle Turn-Off
Ridley nesting grounds turn turtle in State