Definition: used to describe a situation that is uncertain Level: C2
医生说玛丽能否康复还很难说。
The doctor says it is ___touch ___and ___go whether Mary will recover.
创业初期往往成败难料。
Starting a new business is often ___touch ___and ___go.
比赛只剩两分钟，结果仍悬而未决。
With only two minutes left, the outcome of the game was still ___touch ___and ___go.
