Sentence examples for difficult and difficult from inspiring English sources

The method is well tested on a range of problems classified as easy, moderately difficult and difficult.

It is the dual nature of chain shuttling polymerization (CSP) that makes control of olefin block copolymer (OBC) composition difficult and difficult, but at the same time, stimulating.

This means that the articles were "fairly difficult" and "difficult" to read.

The time issue is expected, since students consider EBP as difficult and difficult tasks obviously takes longer time.

This guide grades the repertoire in terms of easy, intermediate, medium-difficult and difficult, along with comments about technical requirements.

(a) Illustration of "difficult" and "very difficult" segments; (b) Error distribution of "difficult," "very difficult," and "misclassified by the best" segments.

The rating of health care availability was divided into three categories: 'no need of contact'easyasy to get in contact' (always easy or usually easy to get in contact); and 'difficult to get in contact' (neither easy nor difficult, usually difficult and always difficult).

The optional answers were: "very easy", "rather easy", "neither easy nor difficult", "rather difficult" and "very difficult".

Both questions were answered on a scale of 0 to 3 as follows: 0=easy, 1=mildly difficult, 2=moderately difficult, and 3=very difficult.

Item responses were grouped into two categories: "very easy" and "not very easy", which includes all other response options ("somewhat easy", "neither easy nor difficult", "somewhat difficult" and "very difficult").

Referring to Mr. Wellstone's death, he added: "We have come through and very difficult, difficult, difficult race.