unconvincing

adj.

不足以令人相信的；不可信的；

1. All these theories are rather unconvincing.
   所有这些理论都十分的不足以令人相信。
2. This kind of evidence is philosophically unconvincing.
   这类证据在哲学上是不足为信的。
3. Tom's excuse sounds very hollow and unconvincing.
   汤姆的借口听起来很空洞，难以令人信服。

Dietary fat and obesity: an unconvincing relation.
Searching for a Weapon of Mass Production in Rural Africa: Unconvincing Arguments for Land Reform
The unconvincing case for school-based conflict ...
A human murine mammary tumour virus-like agent is an unconvincing aetiological agent for human breast cancer
Exercise does not protect the female heart: an unconvincing conclusion?
Rushton on Race and Crime: The Evidence Remains Unconvincing
Tryptophan, picolinic acid and zinc absorption: an unconvincing case.
Psoriasis Area and Severity Index 50 as an endpoint in psoriasis trials: an unconvincing proposal.
Predictably, an unconvincing second attempt
Letter to the Editor: Picolinic Acid as a Zinc-Binding Ligand in Human Milk: an Unconvincing Case