unpromising

adj.

无前途的，没有希望的；不堪造就；前途无望；

1. The prospect of international trade is unpromising.
   国际贸易的前景看来很是不容乐观。
2. He said that two factors made the success of economic liberty unpromising.
   他说有两个因素使得经济自由的成功没有希望。

The Unpromising Future of Writing Centers
Unpromising configurations: towards local historical geographies of psychiatry.
An Unpromising Land: Jewish Migration to Palestine in the Early Twentieth Century
School Choice, Neoliberal Promises, and Unpromising Evidence
Reformulating Planning Problems by Eliminating Unpromising Actions
Hidden support from unpromising data sets strongly unites snakes with anguimorph ‘lizards’
The Unpromising Present of Writing Center Studies: Author and Citation Patterns in "The Writing Center Journal", 1980 to 2009
Controlling U.S. health care spending--separating promising from unpromising approaches.
DEBATE AND PSEUDO-DEBATE IN CLASS ANALYSIS: SOME UNPROMISING ASPECTS OF GOLDTHORPE AND MARSHALL'S DEFENCE
The worms of Roman horses and other finds of intestinal parasite eggs from unpromising deposits