dilemma

n.

窘境，困境；进退两难；

复数：dilemmas

in a dilemma进退两难，左右为难

prisoner's dilemma囚徒困境，囚徒困境悖论

moral dilemma道德上的左右为难；道德两难处境；伦理两难

ethical dilemma道德困境；伦理困境

1. In the process of modern urban development, we often find ourselves in a dilemma.
   在都市的发展中,我们往往会陷入困境。
2. The bad weather put us in a dilemma——shall we move on or go back?
   糟糕的天气使我们进退两难——是继续前进呢,还是打道回府？

The Innovator's Dilemma: When New Technologies ...
The Dilemma of Plants: To Grow or Defend
Exploitation, Exploration, and Process Management: The Productivity Dilemma Revisited
Neural networks and the bias/variance dilemma
The Innovator's Dilemma
Exploitation, exploration, and process management: The productivity dilemma revisited
The dilemma of plants-to grow or to defend
The dilemma of plants - to grow or defend (q rev biol, vol 67, pg 283, 1992)
Apoptosis and the dilemma of cancer chemotherapy.
Species conservation and systematics: the dilemma of subspecies